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General Knowledge :: Environmental Science

  1. The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called

  2. A.

     Ecologically sensitive areas

    B.

     Grasslands

    C.

     Delta

    D.

     Biologically sensitive areas


  3. The crack marked on a glacier due to splitting of ice is called

  4. A.

     watershed

    B.

     crevasses

    C.

     delta

    D.

     glacier


  5. The conversion of ammonia to nitrate is known as ________

  6. A.

     ammonification

    B.

     nitrification

    C.

     denitrification

    D.

     all of these


  7. Air pollution is severe in

  8. A.

     Cities

    B.

     Industrialised areas

    C.

     Densely populated areas

    D.

     all of these


  9. Which of the following provides a measure of the average speed of air molecules?

  10. A.

     Pressure

    B.

     Temperature

    C.

     Density

    D.

     Heat


  11. Which of the following determine the kind (wavelength) and amount of radiation that an object emits?

  12. A.

     Temperature

    B.

     Thermal conductivity

    C.

     Density

    D.

     Latent heat


  13. Which one of the following is the most stable ecosystem?

  14. A.

     Forest

    B.

     Mountain

    C.

     Desert

    D.

     Ocean


  15. The type of ecosystem with the highest mean plant productivity is

  16. A.

     tropical rain forest

    B.

     temperate grassland

    C.

     desert

    D.

     tundra


  17. Carbon sequestration is a strategy used to control

  18. A.

     pollution

    B.

     population explosion

    C.

     desertification

    D.

     global warming


  19. Wild life is continuously decreasing. What is the main reason of this?

  20. A.

     Predation

    B.

     Cutting down of forest

    C.

     Destruction of habitat

    D.

     Hunting